2024
Provider Experience With the Use of Ketamine for Refractory Status Epilepticus
Tantillo G, Davis N, Granstein J, Yoo J, Agarwal P, Reilly K, Reynolds A, Kayal G, Liang J, Jetté N. Provider Experience With the Use of Ketamine for Refractory Status Epilepticus. Clinical Neuropharmacology 2024, 47: 37-43. PMID: 38478363, DOI: 10.1097/wnf.0000000000000582.Peer-Reviewed Original ResearchConceptsRefractory status epilepticusStatus epilepticusPerceived contraindicationsUse of vasopressorsFirst-line agentsRefractory status epilepticus treatmentSecond-line agentsAssociated with complicationsElevated intracranial pressureNeurocritical Care SocietyRespiratory depressionHeart failureEEG monitoringHemodynamic supportOptimal doseKetamine useSeizure controlIntracranial pressureControl seizuresDecreased needKetamine usersAmerican Epilepsy SocietyKetamineAmerican AcademyAnesthetic agents
2022
Clinical and behavior characteristics of individuals who used ketamine
Lee TS, Liu YH, Huang YJ, Tang WK, Wang Y, Hu S, Lin CP, Li CR, Hung CC. Clinical and behavior characteristics of individuals who used ketamine. Scientific Reports 2022, 12: 801. PMID: 35039593, PMCID: PMC8764021, DOI: 10.1038/s41598-022-04832-9.Peer-Reviewed Original ResearchConceptsMemory testLower urinary tract symptomsN-back memory testShort-term recallShort-term memoryDrug-using participantsCigarette smokersImpulsivity measuresTerm recallBehavioral dispositionsPolydrug usersKetamine usersGroup of individualsSex-related behaviorsUrinary tract symptomsPolydrug useDrug-related problemsCross-sectional interviewMemoryRisk behaviorsKetamine useTract symptomsClinical characteristicsParticipantsHIV serostatus
2020
Effects of early ketamine exposure on cerebral gray matter volume and functional connectivity
Hung CC, Liu YH, Huang CC, Chou CY, Chen CM, Duann JR, Li CR, Lee TS, Lin CP. Effects of early ketamine exposure on cerebral gray matter volume and functional connectivity. Scientific Reports 2020, 10: 15488. PMID: 32968108, PMCID: PMC7512006, DOI: 10.1038/s41598-020-72320-z.Peer-Reviewed Original ResearchConceptsGray matter volumeCerebral gray matter volumeKetamine exposureFunctional connectivityMatter volumeKetamine usersBrain structuresLower gray matter volumeFunctional brain changesTreatment of depressionAdolescent-onset groupCerebral functional organizationHigher functional connectivitySuperior frontal gyrusInferior parietal lobuleMedial orbitofrontal cortexSeed-based correlation analysisKetamine groupBrain changesKetamine abuseLarge cohortRight insulaLeft precuneusKetamine misuseRight precuneus
2019
Striatal functional connectivity in chronic ketamine users: a pilot study
Hung CC, Zhang S, Chen CM, Duann JR, Lin CP, Lee TS, Li CR. Striatal functional connectivity in chronic ketamine users: a pilot study. The American Journal Of Drug And Alcohol Abuse 2019, 46: 31-43. PMID: 31264888, PMCID: PMC8627683, DOI: 10.1080/00952990.2019.1624764.Peer-Reviewed Original ResearchConceptsDuration of useChronic ketamine usersKetamine usersKetamine useKetamine misuseOrbitofrontal cortexFunctional connectivityStriatal functional connectivityState functional connectivityLeft orbitofrontal cortexBIS-11 scoresDorsal anterior cingulate cortexVoxel-wise connectivityAnterior cingulate cortexMagnetic resonance imagingOFC connectivityHealthy controlsBilateral cerebellumStriatal connectivityCingulate cortexResonance imagingControl dysfunctionVentral striatumZ-scorePilot study
2018
Similar psychotic and cognitive profile between ketamine dependence with persistent psychosis and schizophrenia
Cheng WJ, Chen CH, Chen CK, Huang MC, Pietrzak RH, Krystal JH, Xu K. Similar psychotic and cognitive profile between ketamine dependence with persistent psychosis and schizophrenia. Schizophrenia Research 2018, 199: 313-318. PMID: 29510925, DOI: 10.1016/j.schres.2018.02.049.Peer-Reviewed Original ResearchConceptsSZ patientsCognitive impairmentCognitive functionSocial-emotional cognitionCogstate Brief BatteryPsychomotor processing speedTreatment-seeking patientsSpatial problemsSymptom profilesSevere symptom profileVerbal memoryCognitive profileKetamine-dependent patientsVisual learningBrief batteryProcessing speedNegative Syndrome ScaleBiology of psychosisKetamine usersCognitive dysfunctionPersistent psychosisMemorySubscale scoresKetamine abuseMinority of users
2017
Depression in chronic ketamine users: Sex differences and neural bases
Li CR, Zhang S, Hung CC, Chen CM, Duann JR, Lin CP, Lee TS. Depression in chronic ketamine users: Sex differences and neural bases. Psychiatry Research Neuroimaging 2017, 269: 1-8. PMID: 28892733, PMCID: PMC5634929, DOI: 10.1016/j.pscychresns.2017.09.001.Peer-Reviewed Original ResearchConceptsHealthy controlsSgACC connectivityChronic ketamine usersKetamine usersOrbitofrontal cortexEpidemiological Studies Depression ScaleSubgenual anterior cingulate cortexSex differencesPathogenesis of depressionCES-D scoresState functional connectivityBilateral superior temporal gyrusChronic ketamine useAnterior cingulate cortexSuperior temporal gyrusNeural basisDepression ScaleDorsomedial prefrontal cortexDepression scoresDepression severityKetamine useCingulate cortexTemporal gyrusFunctional connectivityPrefrontal cortex
2014
Preliminary analysis of positive and negative syndrome scale in ketamine-associated psychosis in comparison with schizophrenia
Xu K, Krystal JH, Ning Y, Chen da C, He H, Wang D, Ke X, Zhang X, Ding Y, Liu Y, Gueorguieva R, Wang Z, Limoncelli D, Pietrzak RH, Petrakis IL, Zhang X, Fan N. Preliminary analysis of positive and negative syndrome scale in ketamine-associated psychosis in comparison with schizophrenia. Journal Of Psychiatric Research 2014, 61: 64-72. PMID: 25560772, PMCID: PMC4445679, DOI: 10.1016/j.jpsychires.2014.12.012.Peer-Reviewed Original ResearchConceptsKetamine groupNegative Syndrome ScaleSchizophrenia groupSyndrome ScaleN-methyl-D-aspartate (NMDA) glutamate receptor antagonistGlutamate receptor antagonistsPotential confounding factorsEarly course schizophreniaSymptom dimensionsSymptoms of schizophreniaReceptor antagonistChronic schizophreniaHealthy subjectsKetamine abuseSchizophrenia psychosisSchizophrenia patientsConfounding factorsSymptom severitySymptomsInpatientsSchizophreniaPsychosisKetamine usersDissociation symptomsPrincipal component factor analysis
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